Liquitex iridescent medium may be added to acrylic colours in order to obtain metallic effects.

Opaque when wet and translucent when dry, Liquitex iridescent medium is permanent, non-yellowing, flexible and waterproof. The metallic effect is very noticeable with transparent and translucent colours. Use :
Calligraphy.
Important information :
Do not mix with oil.
May be diluted by adding up to 30% of water.